/***********************************************************
* Artsoft Retro-Game Library *
*----------------------------------------------------------*
-* (c) 1994-2002 Artsoft Entertainment *
+* (c) 1994-2006 Artsoft Entertainment *
* Holger Schemel *
* Detmolder Strasse 189 *
* 33604 Bielefeld *
#include "sound.h"
#include "joystick.h"
#include "misc.h"
+#include "setup.h"
#if defined(TARGET_SDL)
/* functions from SGE library */
void sge_Line(SDL_Surface *, Sint16, Sint16, Sint16, Sint16, Uint32);
-/* #ifdef PLATFORM_WIN32 */
-#define FULLSCREEN_BUG
-/* #endif */
-
/* stuff needed to work around SDL/Windows fullscreen drawing bug */
static int fullscreen_width;
static int fullscreen_height;
static int video_xoffset;
static int video_yoffset;
+static void setFullscreenParameters(char *fullscreen_mode_string)
+{
+ struct ScreenModeInfo *fullscreen_mode;
+ int i;
+
+ fullscreen_mode = get_screen_mode_from_string(fullscreen_mode_string);
+
+ if (fullscreen_mode == NULL)
+ return;
+
+ for (i = 0; video.fullscreen_modes[i].width != -1; i++)
+ {
+ if (fullscreen_mode->width == video.fullscreen_modes[i].width &&
+ fullscreen_mode->height == video.fullscreen_modes[i].height)
+ {
+ fullscreen_width = fullscreen_mode->width;
+ fullscreen_height = fullscreen_mode->height;
+
+ fullscreen_xoffset = (fullscreen_width - video.width) / 2;
+ fullscreen_yoffset = (fullscreen_height - video.height) / 2;
+
+ break;
+ }
+ }
+}
+
+static void SDLSetWindowIcon(char *basename)
+{
+ /* (setting the window icon on Mac OS X would replace the high-quality
+ dock icon with the currently smaller (and uglier) icon from file) */
+
+#if !defined(PLATFORM_MACOSX)
+ char *filename = getCustomImageFilename(basename);
+ SDL_Surface *surface;
+
+ if (filename == NULL)
+ {
+ Error(ERR_WARN, "SDLSetWindowIcon(): cannot find file '%s'", basename);
+
+ return;
+ }
+
+ if ((surface = IMG_Load(filename)) == NULL)
+ {
+ Error(ERR_WARN, "IMG_Load() failed: %s", SDL_GetError());
+
+ return;
+ }
+
+ /* set transparent color */
+ SDL_SetColorKey(surface, SDL_SRCCOLORKEY,
+ SDL_MapRGB(surface->format, 0x00, 0x00, 0x00));
+
+ SDL_WM_SetIcon(surface, NULL);
+#endif
+}
+
void SDLInitVideoDisplay(void)
{
putenv("SDL_VIDEO_CENTERED=1");
void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
boolean fullscreen)
{
-#ifdef FULLSCREEN_BUG
- int i;
static int screen_xy[][2] =
{
{ 640, 480 },
{ 1024, 768 },
{ -1, -1 }
};
-#endif
+ SDL_Rect **modes;
+ int i, j;
/* default: normal game window size */
fullscreen_width = video.width;
fullscreen_xoffset = 0;
fullscreen_yoffset = 0;
-#ifdef FULLSCREEN_BUG
for (i = 0; screen_xy[i][0] != -1; i++)
{
- if (video.width <= screen_xy[i][0] && video.height <= screen_xy[i][1])
+ if (screen_xy[i][0] >= video.width && screen_xy[i][1] >= video.height)
{
- fullscreen_width = screen_xy[i][0];
+ fullscreen_width = screen_xy[i][0];
fullscreen_height = screen_xy[i][1];
+
break;
}
}
- fullscreen_xoffset = (fullscreen_width - video.width) / 2;
+ fullscreen_xoffset = (fullscreen_width - video.width) / 2;
fullscreen_yoffset = (fullscreen_height - video.height) / 2;
-#endif
+
+ /* get available hardware supported fullscreen modes */
+ modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
+
+ if (modes == NULL)
+ {
+ /* no screen modes available => no fullscreen mode support */
+ video.fullscreen_available = FALSE;
+ }
+ else if (modes == (SDL_Rect **)-1)
+ {
+ /* fullscreen resolution is not restricted -- all resolutions available */
+ video.fullscreen_modes = checked_calloc(2 * sizeof(struct ScreenModeInfo));
+
+ /* use native video buffer size for fullscreen mode */
+ video.fullscreen_modes[0].width = video.width;
+ video.fullscreen_modes[0].height = video.height;
+
+ video.fullscreen_modes[1].width = -1;
+ video.fullscreen_modes[1].height = -1;
+ }
+ else
+ {
+ /* in this case, a certain number of screen modes is available */
+ int num_modes = 0;
+
+ for(i = 0; modes[i] != NULL; i++)
+ {
+ boolean found_mode = FALSE;
+
+ /* screen mode is smaller than video buffer size -- skip it */
+ if (modes[i]->w < video.width || modes[i]->h < video.height)
+ continue;
+
+ if (video.fullscreen_modes != NULL)
+ for (j = 0; video.fullscreen_modes[j].width != -1; j++)
+ if (modes[i]->w == video.fullscreen_modes[j].width &&
+ modes[i]->h == video.fullscreen_modes[j].height)
+ found_mode = TRUE;
+
+ if (found_mode) /* screen mode already stored -- skip it */
+ continue;
+
+ /* new mode found; add it to list of available fullscreen modes */
+
+ num_modes++;
+
+ video.fullscreen_modes = checked_realloc(video.fullscreen_modes,
+ (num_modes + 1) *
+ sizeof(struct ScreenModeInfo));
+
+ video.fullscreen_modes[num_modes - 1].width = modes[i]->w;
+ video.fullscreen_modes[num_modes - 1].height = modes[i]->h;
+
+ video.fullscreen_modes[num_modes].width = -1;
+ video.fullscreen_modes[num_modes].height = -1;
+ }
+
+ if (num_modes == 0)
+ {
+ /* no appropriate screen modes available => no fullscreen mode support */
+ video.fullscreen_available = FALSE;
+ }
+ }
+
+ /* set window icon */
+ SDLSetWindowIcon(program.sdl_icon_filename);
/* open SDL video output device (window or fullscreen mode) */
if (!SDLSetVideoMode(backbuffer, fullscreen))
if (fullscreen && !video.fullscreen_enabled && video.fullscreen_available)
{
+ setFullscreenParameters(setup.fullscreen_mode);
+
video_xoffset = fullscreen_xoffset;
video_yoffset = fullscreen_yoffset;
/* do not try it again */
video.fullscreen_available = FALSE;
+
success = FALSE;
}
else
(*backbuffer)->surface = new_surface;
video.fullscreen_enabled = TRUE;
+ video.fullscreen_mode_current = setup.fullscreen_mode;
+
success = TRUE;
}
}
Bitmap *real_dst_bitmap = (dst_bitmap == window ? backbuffer : dst_bitmap);
SDL_Rect src_rect, dst_rect;
-#ifdef FULLSCREEN_BUG
if (src_bitmap == backbuffer)
{
src_x += video_xoffset;
src_y += video_yoffset;
}
-#endif
src_rect.x = src_x;
src_rect.y = src_y;
src_rect.w = width;
src_rect.h = height;
-#ifdef FULLSCREEN_BUG
if (dst_bitmap == backbuffer || dst_bitmap == window)
{
dst_x += video_xoffset;
dst_y += video_yoffset;
}
-#endif
dst_rect.x = dst_x;
dst_rect.y = dst_y;
SDL_UpdateRect(backbuffer->surface, dst_x, dst_y, width, height);
}
-void SDLFillRectangle(Bitmap *dst_bitmap, int x, int y,
- int width, int height, Uint32 color)
+void SDLFillRectangle(Bitmap *dst_bitmap, int x, int y, int width, int height,
+ Uint32 color)
{
Bitmap *real_dst_bitmap = (dst_bitmap == window ? backbuffer : dst_bitmap);
SDL_Rect rect;
-#ifdef FULLSCREEN_BUG
if (dst_bitmap == backbuffer || dst_bitmap == window)
{
x += video_xoffset;
y += video_yoffset;
}
-#endif
rect.x = x;
rect.y = y;
SDL_UpdateRect(backbuffer->surface, x, y, width, height);
}
-void SDLFadeScreen(Bitmap *bitmap_cross, int fade_mode, int fade_delay,
- int post_delay)
+void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
+ int fade_mode, int fade_delay, int post_delay,
+ void (*draw_border_function)(void))
{
static boolean initialization_needed = TRUE;
- static SDL_Surface *surface_screen_copy = NULL;
+ static SDL_Surface *surface_source = NULL;
+ static SDL_Surface *surface_target = NULL;
static SDL_Surface *surface_black = NULL;
SDL_Surface *surface_screen = backbuffer->surface;
- SDL_Surface *surface_cross; /* initialized later */
+ SDL_Surface *surface_cross = (bitmap_cross ? bitmap_cross->surface : NULL);
SDL_Rect src_rect, dst_rect;
- int src_x = 0, src_y = 0;
- int dst_x = 0, dst_y = 0;
- boolean fade_reverse = (fade_mode == FADE_MODE_FADE_IN ? TRUE : FALSE);
+ int src_x = x, src_y = y;
+ int dst_x = x, dst_y = y;
unsigned int time_last, time_current;
float alpha;
int alpha_final;
src_rect.x = src_x;
src_rect.y = src_y;
- src_rect.w = video.width;
- src_rect.h = video.height;
+ src_rect.w = width;
+ src_rect.h = height;
-#ifdef FULLSCREEN_BUG
dst_x += video_xoffset;
dst_y += video_yoffset;
-#endif
dst_rect.x = dst_x;
dst_rect.y = dst_y;
- dst_rect.w = video.width;
- dst_rect.h = video.height;
-
-#if 0
- if (!initialization_needed)
- {
- /* check if screen size has changed (can happen when toggling fullscreen) */
- if (surface_screen_copy->w != surface_screen->w ||
- surface_screen_copy->h != surface_screen->h)
- {
- SDL_FreeSurface(surface_screen_copy);
- SDL_FreeSurface(surface_black);
-
- initialization_needed = TRUE;
- }
- }
-#endif
+ dst_rect.w = width;
+ dst_rect.h = height;
if (initialization_needed)
{
else
flags |= SDL_SWSURFACE;
- /* create surface for temporary copy of screen buffer */
- if ((surface_screen_copy =
+ /* create surface for temporary copy of screen buffer (source) */
+ if ((surface_source =
+ SDL_CreateRGBSurface(flags,
+ video.width,
+ video.height,
+ surface_screen->format->BitsPerPixel,
+ surface_screen->format->Rmask,
+ surface_screen->format->Gmask,
+ surface_screen->format->Bmask,
+ surface_screen->format->Amask)) == NULL)
+ Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
+
+ /* create surface for cross-fading screen buffer (target) */
+ if ((surface_target =
SDL_CreateRGBSurface(flags,
-#if 1
video.width,
video.height,
-#else
- surface_screen->w,
- surface_screen->h,
-#endif
surface_screen->format->BitsPerPixel,
surface_screen->format->Rmask,
surface_screen->format->Gmask,
surface_screen->format->Bmask,
surface_screen->format->Amask)) == NULL)
- Error(ERR_EXIT, "SDL_CreateRGBSurface( ) failed: %s", SDL_GetError());
+ Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
/* create black surface for fading from/to black */
if ((surface_black =
SDL_CreateRGBSurface(flags,
-#if 1
video.width,
video.height,
-#else
- surface_screen->w,
- surface_screen->h,
-#endif
surface_screen->format->BitsPerPixel,
surface_screen->format->Rmask,
surface_screen->format->Gmask,
surface_screen->format->Bmask,
surface_screen->format->Amask)) == NULL)
- Error(ERR_EXIT, "SDL_CreateRGBSurface( ) failed: %s", SDL_GetError());
+ Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
/* completely fill the surface with black color pixels */
SDL_FillRect(surface_black, NULL,
initialization_needed = FALSE;
}
- /* copy the current screen backbuffer to the temporary screen copy buffer */
- SDL_BlitSurface(surface_screen, &dst_rect, surface_screen_copy, &src_rect);
-
- surface_cross = (fade_mode == FADE_MODE_CROSSFADE ? bitmap_cross->surface :
- surface_black);
+ /* copy source and target surfaces to temporary surfaces for fading */
+ if (fade_mode == FADE_MODE_CROSSFADE)
+ {
+ SDL_BlitSurface(surface_cross, &src_rect, surface_source, &src_rect);
+ SDL_BlitSurface(surface_screen, &dst_rect, surface_target, &src_rect);
+ }
+ else if (fade_mode == FADE_MODE_FADE_IN)
+ {
+ SDL_BlitSurface(surface_black, &src_rect, surface_source, &src_rect);
+ SDL_BlitSurface(surface_screen, &dst_rect, surface_target, &src_rect);
+ }
+ else /* FADE_MODE_FADE_OUT */
+ {
+ SDL_BlitSurface(surface_screen, &dst_rect, surface_source, &src_rect);
+ SDL_BlitSurface(surface_black, &src_rect, surface_target, &src_rect);
+ }
time_current = SDL_GetTicks();
time_last = time_current;
time_current = SDL_GetTicks();
alpha += 255 * ((float)(time_current - time_last) / fade_delay);
- alpha_final = (int)(fade_reverse ? 255.0 - alpha : alpha);
- alpha_final = MIN(MAX(0, alpha_final), 255);
+ alpha_final = MIN(MAX(0, alpha), 255);
- /* draw existing image to screen buffer */
- SDL_BlitSurface(surface_screen_copy, &src_rect, surface_screen, &dst_rect);
+ /* draw existing (source) image to screen buffer */
+ SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect);
- /* draw new image to screen buffer using alpha blending */
- SDL_SetAlpha(surface_cross, SDL_SRCALPHA, alpha_final);
- SDL_BlitSurface(surface_cross, &src_rect, surface_screen, &dst_rect);
+ /* draw new (target) image to screen buffer using alpha blending */
+ SDL_SetAlpha(surface_target, SDL_SRCALPHA, alpha_final);
+ SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect);
- /* draw screen buffer to visible display */
+ if (draw_border_function != NULL)
+ draw_border_function();
+
+#if 1
+ /* only update the region of the screen that is affected from fading */
+ SDL_UpdateRect(surface_screen, dst_x, dst_y, width, height);
+#else
SDL_Flip(surface_screen);
+#endif
}
Delay(post_delay);
rect.w = (to_x - from_x + 1);
rect.h = (to_y - from_y + 1);
-#ifdef FULLSCREEN_BUG
if (dst_bitmap == backbuffer || dst_bitmap == window)
{
rect.x += video_xoffset;
rect.y += video_yoffset;
}
-#endif
SDL_FillRect(surface, &rect, color);
}
void SDLDrawLine(Bitmap *dst_bitmap, int from_x, int from_y,
int to_x, int to_y, Uint32 color)
{
-#ifdef FULLSCREEN_BUG
if (dst_bitmap == backbuffer || dst_bitmap == window)
{
from_x += video_xoffset;
to_x += video_xoffset;
to_y += video_yoffset;
}
-#endif
sge_Line(dst_bitmap->surface, from_x, from_y, to_x, to_y, color);
}
{
SDL_Surface *surface = src_bitmap->surface;
-#ifdef FULLSCREEN_BUG
if (src_bitmap == backbuffer || src_bitmap == window)
{
x += video_xoffset;
y += video_yoffset;
}
-#endif
switch (surface->format->BytesPerPixel)
{
void SDLPutPixel(Bitmap *dst_bitmap, int x, int y, Pixel pixel)
{
-#ifdef FULLSCREEN_BUG
if (dst_bitmap == backbuffer || dst_bitmap == window)
{
x += video_xoffset;
y += video_yoffset;
}
-#endif
sge_PutPixel(dst_bitmap->surface, x, y, pixel);
}
if ((sdl_image_tmp = IMG_Load(filename)) == NULL)
{
SetError("IMG_Load(): %s", SDL_GetError());
+
return NULL;
}
if ((new_bitmap->surface = SDL_DisplayFormat(sdl_image_tmp)) == NULL)
{
SetError("SDL_DisplayFormat(): %s", SDL_GetError());
+
return NULL;
}
if ((new_bitmap->surface_masked = SDL_DisplayFormat(sdl_image_tmp)) == NULL)
{
SetError("SDL_DisplayFormat(): %s", SDL_GetError());
+
return NULL;
}
{
SDL_WaitEvent(event);
-#ifdef FULLSCREEN_BUG
if (event->type == EVENT_BUTTONPRESS ||
event->type == EVENT_BUTTONRELEASE)
{
else
((MotionEvent *)event)->y = 0;
}
-#endif
}